17911660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68891}}^1$

素因数の和:68913

約数の個数: 24

約数和(自身を含む): 40508496

約数和(自身を除く): 22596836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68891, 137782, 275564, 344455, 688910, 895583, 1377820, 1791166, 3582332, 4477915, 8955830, 17911660]

約数ペア:

[(1, 17911660), (2, 8955830), (4, 4477915), (5, 3582332), (10, 1791166), (13, 1377820), (20, 895583), (26, 688910), (52, 344455), (65, 275564), (130, 137782), (260, 68891)]